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  3. /Nvidia GeForce RTX 4080 vs AMD Radeon RX 6600M

Nvidia GeForce RTX 4080 vs AMD Radeon RX 6600M

Verdict

Our overall take, at a glance

Key takeaways

  • Nvidia GeForce RTX 4080 leads AMD Radeon RX 6600M overall by 25 points (87 vs 62 out of 100).
  • Nvidia GeForce RTX 4080 stands out on Core Specifications Base Frequency: 2.505 GHz, Core Specifications Base Power: 320 W, Core Specifications Maximum Power: 470 W.
Nvidia GeForce RTX 4080 leads overall
$1,199 at launch
Nvidia GeForce RTX 4080
87
AMD Radeon RX 6600M
62
Why it stands out
  • Core Specifications Base Frequency: 2.505 GHz
  • Core Specifications Base Power: 320 W
  • Core Specifications Maximum Power: 470 W

In-depth analysisAI

AI-generated from the cited sources — may be incomplete or inaccurate; verify important details before deciding · generated Jun 2026.

Nvidia GeForce RTX 4080

The GeForce RTX 40 series is a family of consumer GPUs from Nvidia's GeForce line, succeeding the RTX 30 series. The cards are based on the Ada Lovelace architecture and include third-generation RT cores for ray tracing and fourth-generation Tensor Cores.

Best for High-end computingBest for Graphics processing
Pros
  • Features native support for DirectX Direct3D 12.0 Ultimate (feature level 12_2)
  • Includes a new generation of Optical Flow Accelerator to aid DLSS 3.0 frame generation
  • Supports DisplayPort 1.4a and HDMI 2.1 display connections
Cons
  • The RTX 4080 12GB was noted for potential failures related to the 12VHPWR connector.
Video — reviews used (3)

Provides detailed specs and history of the RTX 40 series cards.

Generated Jun 28, 2026

Value for Money

Which is the better deal for the price

Pre-filled with launch prices where known — enter today's price for an up-to-date check. Use the same currency for both.

Nvidia GeForce RTX 4080

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AMD Radeon RX 6600M

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Performance

Higher benchmark score = faster

Nvidia GeForce RTX 408035,129
AMD Radeon RX 6600M15,000
See the raw benchmark values →

Benchmark score — a measured indicator of raw performance, not a guarantee of real-world speed.

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Review Videos

Hand-picked expert reviews for each product

Detailed Specifications

The full spec sheet, side by side

Core Specifications

Feature
Nvidia GeForce RTX 4080
AMD Radeon RX 6600M
Base Frequency
2.505 GHz
2.359 GHz
Base Power
320 W
85 W
Maximum Frequency
2.505 GHz
2.655 GHz
Maximum Power
470 W
155 W
Lithography Process
5 nm
7 nm

Memory

Feature
Nvidia GeForce RTX 4080
AMD Radeon RX 6600M
Capacity
16 GB
8 GB
Technology
Bus Width
256 bit
192 bit
Bandwidth
576 GB/s
432 GB/s
Is Shared
No
No

API Support

Feature
Nvidia GeForce RTX 4080
AMD Radeon RX 6600M
DirectX Version
12
12
OpenGL Version
4.6
4.6
Vulkan Version
1.3
1.3
OpenCL Version
3
2

Theoretical Performance

Feature
Nvidia GeForce RTX 4080
AMD Radeon RX 6600M
Pixel Rate
281.2 GP/s
76.2 GP/s
Texture Rate
761.5 GT/s
305 GT/s
Performance (FP16)
97.6 TFLOPS
19.1 TFLOPS
Performance (FP32)
48.7 TFLOPS
9.5 TFLOPS
Performance (FP64)
761.5 GFLOPS
596 GFLOPS

Benchmark

Feature
Nvidia GeForce RTX 4080
AMD Radeon RX 6600M
G3D Mark
35,129
15,000

Miscellaneous

Feature
Nvidia GeForce RTX 4080
AMD Radeon RX 6600M
Release Date
November 16, 2022
June 1, 2021
Platform

Specification Note

Specifications are compiled from official manufacturer data and other reliable internet sources. Some features may vary by region or model configuration.

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